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zhong zhou middle road,Luoyang,Henan,China China
联系人 truan shen
办公地址 zhong zhou middle road, Luoyang, Henan
1.Introduction: Silicafumeisabyproductofproducingsiliconmetalorferrosilicon...
When it is used in concrete, it acts as a filler and as a cementitious material. The small microsilica particles fill spaces between cement particles
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